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Free Amazon FBA profit calculator to estimate per-unit net margin after referral fees, fulfillment, storage, PPC, and returns. Use it to validate SKU economics in your business operations.
Last updated: April 15, 2026
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Net Profit / Unit
$9.22
Profit Margin
21.5%
Revenue / Unit
$42.99
Total Fees / Unit
$13.92
Total Cost / Unit
$33.77
ROI on Unit Cost
27.3%
Break-Even Price
$31.6
Performance: Good
Healthy FBA unit economics. Scale in measured steps while monitoring return rate and TACoS.
Amazon FBA Tips:
Validate SKU viability before scaling.
Keep advertising growth margin-safe.
Understand sell-through impact on margin.
Avoid underpricing in competitive categories.
Reduce surprises in real-world P&L.
Prioritize higher-efficiency products.
For a $42.99 SKU with standard FBA fees and PPC assumptions:
Revenue / Unit
$42.99
Fees / Unit
$12.76
Total Cost / Unit
$32.61
Net Profit / Unit
$10.38
This calculator combines media, fulfillment, and operational cost layers into one per-unit profitability model so you can make pricing and scaling decisions with better precision.
Net Profit / Unit = Selling Price - (COGS + Inbound + Prep + PPC + Referral + Fulfillment + Storage/Unit + Returns Reserve + Plan Fee)This structure helps prevent overestimating profitability from top-line sales alone.
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Suggested hashtags: #AmazonFBA #Ecommerce #Profit #UnitEconomics #Calculator